Cementos Bío-Bío has cut PM emissions at its Talcahuano works by more than 600tpa.
The improvement follows the installation of a bag filter, which has been in operations since last year and represents an investment of US$5m.
USA-Venezuela action setting the stage for lower medium-term oil and petcoke prices – petcoke higher on lower freight rates
The year began with negotiations between Ukraine, the USA and Europe trying to put together a Uk...